| 학회 |
한국고분자학회 |
| 학술대회 |
2017년 가을 (10/11 ~ 10/13, 제주컨벤션센터) |
| 권호 |
42권 2호 |
| 발표분야 |
대학원생 구두발표(영어발표, 발표15분) |
| 제목 |
Simultaneous Improvement in Charge Carrier Mobility and Stretchability of Semiconducting Polymers |
| 초록 |
The development of stretchable semiconducting polymers is challenging as it is very difficult to enhance their stretchability without negatively affecting their electrical properties. Here, we demonstrate a method to simultaneously enhance the charge carrier mobility and the stretchability via lowering the crystallinity and increasing the propensity for π–π stacking of the polymer chains, which causes π–π stacking-induced polymer networks to form within the semiconducting polymer matrix. The polymer networks efficiently dissipate energy and prevent irreversible microstructural deformation due to the applied strain; furthermore, charges are readily transported via π–π stacked chains. As a result, we were able to improve the polymer’s stretchability along with field-effect mobility. Additionally, our polymer showed tolerance to a 40% strain without a decrease in mobility while maintaining a stable electrical performance even after 5,000 stretching cycles at 30% strain. |
| 저자 |
손성윤1, 김예별1, 김재한2, 송은주1, 최경원1, 이주현1, 박태호1
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| 소속 |
1POSTECH, 2KAIST |
| 키워드 |
semiconducting polymer; mobility; stretchability; polymer network
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| E-Mail |
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